Kusamalira ma valve ndi kugwiritsa ntchito chipangizo chamagetsi cha valve zosankha zisanu ndi chimodzi

Kusamalira ma valve ndi kugwiritsa ntchito chipangizo chamagetsi cha valve zosankha zisanu ndi chimodzi Musadalire valavu kuti muthandizire zinthu zina zolemetsa ndipo musayime pa valve. Tsinde, makamaka ulusi mbali, ayenera misozi kawirikawiri, ndi mafuta akhala zonyansa fumbi m'malo latsopano, chifukwa fumbi lili zinyalala zolimba, zosavuta kuvala ulusi ndi tsinde pamwamba, zimakhudza moyo utumiki. Tsegulani ndi kutseka valavu, mphamvu iyenera kukhala yosalala, osati zotsatira. Kutsegula kwina ndi kutseka kwa zigawo zothamanga kwambiri zavala mphamvu zomwe zimakhudzidwa ndipo valavu yonseyo siyingadikire. Kwa valavu ya nthunzi, musanatsegule, iyenera kutenthedwa pasadakhale ndipo madzi osungunuka ayenera kuchotsedwa. Potsegula, kuyenera kukhala pang'onopang'ono momwe mungathere kuti mupewe zochitika za kugunda kwamadzi. Vavu yokonza, akhoza kugawidwa mu milandu iwiri; Imodzi ndi kukonza kosungirako, ina ndikukonza kogwiritsa ntchito. (I) Kusungirako ndi kukonza Cholinga cha kusungirako ndi kukonza sikuwononga valavu yosungiramo, kapena kuchepetsa khalidwe. Ndipotu, kusungirako kosayenera ndi chimodzi mwa zifukwa zofunika zowonongeka kwa valve. Vavu yosungirako ayenera kukhala mwadongosolo, mavavu ang'onoang'ono pa alumali, mavavu lalikulu akhoza mwaukhondo anakonza pa malo osungiramo katundu pansi, osati mwadongosolo stacking, musalole flange kugwirizana pamwamba kukhudza pansi. Izi sizongokongoletsa zokhazokha, makamaka kuteteza valavu kuti isawonongeke. Chifukwa cha kusungirako kosayenera ndi kusamalira, kusweka kwa magudumu pamanja, kupendekeka kwa tsinde, gudumu lamanja ndi tsinde lotayirira, ndi zina zotero, zotayika zosafunikirazi ziyenera kupewedwa. Kwa valavu yomwe siigwiritsidwe ntchito kwakanthawi kochepa, kulongedza kwa asbestosi kuyenera kuchotsedwa kuti asawonongeke ndi electrochemical corrosion ndi kuwonongeka kwa tsinde. Vavu basi mu nyumba yosungiramo katundu, kufufuza, monga m'kati zoyendera mvula kapena dothi, misozi woyera, ndiyeno kusunga. Polowera mavavu ndi potulukamo atseke ndi pepala la sera kapena pulasitiki kuti dothi lisalowe. Malo opangira ma valve omwe amatha kuchita dzimbiri m'mlengalenga ayenera kuphimbidwa ndi mafuta oletsa dzimbiri kuti ateteze. Mavavu akunja ayenera kuphimbidwa ndi zinthu zoteteza mvula komanso zinthu zopanda fumbi monga linoleum kapena tarp. Malo osungiramo valavu ayenera kukhala oyera ndi owuma. (2) Kugwiritsa ntchito ndi kukonza Cholinga cha ntchito ndi kukonza ndikukulitsa moyo wautumiki wa valve ndikuonetsetsa kuti kutsegulidwa ndi kutseka kodalirika. Ulusi wa tsinde, womwe nthawi zambiri umagundana ndi mtedza wa tsinde, popaka mafuta pang'ono achikasu owuma, molybdenum disulfide kapena graphite ufa, kuti azipaka mafuta. Osatsegula ndi kutseka valavu nthawi zambiri, komanso kuti mutembenuze gudumu lamanja nthawi zonse, onjezerani mafuta ku ulusi wa tsinde, kuti mupewe kuluma. Kwa ma valve akunja, manja otetezera ayenera kuwonjezeredwa ku tsinde la valve kuti ateteze mvula, matalala, fumbi ndi dzimbiri. Ngati valavu ndi makina, onjezani mafuta odzola ku gearbox pa nthawi yake. Nthawi zonse sungani valavu yaukhondo. Yang'anani ndi kusunga kukhulupirika kwa zigawo zina za valve pafupipafupi. Ngati mtedza wosasunthika wa handwheel wagwa, uyenera kufananizidwa ndipo sungagwiritsidwe ntchito bwino, apo ayi ugaya gawo lalikulu la kumtunda kwa tsinde la valavu, pang'onopang'ono kutaya kudalirika ndipo ngakhale sungayambe. Musadalire valavu kuti muthandizire zinthu zina zolemetsa ndipo musayime pa valve. Tsinde, makamaka ulusi mbali, ayenera misozi kawirikawiri, ndi mafuta akhala zonyansa fumbi m'malo latsopano, chifukwa fumbi lili zinyalala zolimba, zosavuta kuvala ulusi ndi tsinde pamwamba, zimakhudza moyo utumiki. ntchito Kwa mavavu, sikuyenera kokha kukhazikitsa ndi kukonza, komanso kugwira ntchito. (a) valavu yotsegula ndi kutseka yotsekera valavu ya Manual ndiyo valavu yomwe imagwiritsidwa ntchito kwambiri, gudumu lake lamanja kapena chogwirira, chimapangidwa motsatira anthu wamba, poganizira mphamvu yosindikiza komanso mphamvu yotseka yofunikira. Chifukwa chake simungagwiritse ntchito lever yayitali kapena spinner yayitali. Anthu ena anazolowera kugwiritsa ntchito wrench, ayenera kulabadira kwambiri, osati mphamvu kwambiri, mwinamwake zosavuta kuwononga kusindikiza pamwamba, kapena mbale wosweka gudumu dzanja, chogwirira. Tsegulani ndi kutseka valavu, mphamvu iyenera kukhala yosalala, osati zotsatira. Kutsegula kwina ndi kutseka kwa zigawo zothamanga kwambiri zavala mphamvu zomwe zimakhudzidwa ndipo valavu yonseyo siyingadikire. Kwa valavu ya nthunzi, musanatsegule, iyenera kutenthedwa pasadakhale ndipo madzi osungunuka ayenera kuchotsedwa. Potsegula, kuyenera kukhala pang'onopang'ono momwe mungathere kuti mupewe zochitika za kugunda kwamadzi. Vavu ikatsegulidwa kwathunthu, gudumu lamanja liyenera kusinthidwa pang'ono, kuti ulusiwo ukhale pakati pa zolimba, kuti zisawonongeke. Pa mavavu a tsinde, kumbukirani momwe tsinde lilili lotseguka komanso lotsekedwa mokwanira, kupewa kugunda pomwe pali tsinde lotseguka. Ndipo ndizosavuta kuyang'ana ngati zili zachilendo mukatsekedwa kwathunthu. Ngati valavu ikugwa, kapena pakati pa chisindikizo cha spool pali zinyalala zazikulu, malo a tsinde adzasintha atatsekedwa kwathunthu. Pamene payipi ikugwiritsidwa ntchito koyamba, pali dothi lamkati lamkati, valavu imatha kutsegulidwa pang'ono, kuthamanga kwapamwamba kwa sing'anga kungagwiritsidwe ntchito kutsuka, ndiyeno kutsekedwa mofatsa (osati kutsekedwa mofulumira, kutsekedwa koopsa, kuteteza. zotsalira zotsalira kuchokera kumangiriza kusindikiza pamwamba), tsegulaninso, mobwerezabwereza kangapo, sambitsani litsiro, ndiyeno mugwiritse ntchito bwino. Nthawi zambiri mutsegule valve, pangakhale dothi pamtunda wosindikiza. Potseka, njira yomwe ili pamwambayi iyeneranso kugwiritsidwa ntchito kutsuka, ndikutseka mwalamulo. Ngati handwheel ndi chogwirira chawonongeka kapena kutayika, ziyenera kumalizidwa nthawi yomweyo, ndipo sizingasinthidwe ndi manja osunthika mbale, kuti zisawononge tsinde la quartet, kutsegula ndi kutseka sikothandiza, zomwe zimapangitsa kuti pakhale ngozi popanga. Makanema ena, atakhazikika valavu itatsekedwa, kotero kuti ma valve atsekedwa, woyendetsa ayenera kutsekedwa kachiwiri panthawi yoyenera, Lolani kuti malo osindikizira asasiye msoko, mwinamwake, sing'anga ikuyenda kuchokera pamsoko pa liwiro lapamwamba, ndi. zosavuta kuwononga kusindikiza pamwamba. Panthawi yogwira ntchito, ngati zikuwoneka kuti ntchitoyi ndi yovuta kwambiri, chifukwa chake chiyenera kufufuzidwa. Ngati kulongedza kuli kolimba kwambiri, kumatha kumasuka bwino, monga valve stem skew, iyenera kudziwitsa ogwira ntchito kuti akonze. Ma valve ena, m'malo otsekedwa, zigawo zotsekedwa zimatenthedwa, zomwe zimabweretsa mavuto otsegula; Ngati ayenera anatsegula pa nthawi ino, chivundikirocho akhoza unscrew theka bwalo kuti bwalo kuthetsa tsinde nkhawa, ndiyeno mbale kuyamba gudumu. (2) Nkhani zofunika 1, 200 ℃ pamwamba pa kutentha valavu, chifukwa unsembe kutentha firiji, ndipo pambuyo ntchito yachibadwa, kutentha kukwera, bawuti kutentha kukula, kuwonjezeka kusiyana, kotero ayenera kumangitsa kachiwiri, amatchedwa "wotentha zolimba", ogwira ntchito ayenera kulabadira ntchito imeneyi, mwinamwake sachedwa kutayikira. 2. Pamene nyengo ikuzizira, valavu yamadzi iyenera kutsekedwa kwa nthawi yaitali, ndipo madzi ayenera kuchotsedwa pambuyo pa valve. Nthunzi valavu pambuyo nthunzi, komanso amafuna kusaganizira condensate. Pansi pa valve ndi silky ndipo imatha kutsegulidwa kuti ikhetse. 3, mavavu osakhala achitsulo, ena olimba komanso osasunthika, ena otsika mphamvu, opareshoni, otseguka ndi otseka mwamphamvu sangakhale aakulu kwambiri, makamaka sangathe kupanga mphamvu yamphamvu. Komanso samalani kuti musagwetse zinthu. 4, valavu yatsopano ikagwiritsidwa ntchito, kulongedza sikuyenera kukanikizidwa mwamphamvu kwambiri, kuti asatayike, kuti musakanikize tsinde kwambiri, kufulumizitsa kuvala, ndizovuta kutsegula ndi kutseka Zisanu ndi chimodzi zosankhidwa za chipangizo chamagetsi cha valve. Kusankhidwa koyenera kwa chipangizo chamagetsi cha valve chiyenera kukhazikitsidwa pa: 1. Torque yogwiritsira ntchito: Torque yogwiritsira ntchito ndiye chizindikiro chachikulu chosankha chipangizo chamagetsi cha valve. Kutulutsa kwamagetsi kwa chipangizo chamagetsi kuyenera kukhala 1.2 ~ 1.5 nthawi za torque yayikulu ya ntchito ya valve. 2. Kuthamangitsidwa kwa Opaleshoni: Pali zida ziwiri zazikulu zamakina a chipangizo chamagetsi cha valve, imodzi ilibe ndi thrust plate, ndipo torque imatuluka mwachindunji panthawiyi; Zina zimakhala ndi thrust disc, momwe torque yotulutsa imasinthidwa kukhala kutulutsa kotulutsa kudzera mumtengo wa tsinde la thrust disc. 3. Nambala yozungulira ya shaft yotulutsa: chiwerengero cha nambala yozungulira ya shaft yotuluka ya chipangizo chamagetsi cha valve ikugwirizana ndi m'mimba mwake mwadzina la valve, phula la tsinde la valve ndi chiwerengero cha ulusi, owerengedwa molingana ndi M = H / ZS (mu chilinganizo: M ndi nambala yozungulira yomwe chipangizo chamagetsi chiyenera kukumana nacho, H ndi kutalika kwa valve, mm S ndi phula la ulusi wa tsinde, mm; . M'mimba mwake: kwa mitundu yambiri yozungulira ya tsinde lotseguka, ngati tsinde lalikulu lomwe limaloledwa ndi chipangizo chamagetsi silingadutse tsinde la valve, silingasonkhanitsidwe mu valve yamagetsi. Choncho, m'mimba mwake mkati mwa dzenje linanena bungwe shaft wa chipangizo magetsi ayenera kukhala wamkulu kuposa awiri akunja tsinde la valavu lotseguka tsinde. Kwa ma valve ena ozungulira ndi ma valve ozungulira muzitsulo zakuda zakuda, ngakhale musaganizire za tsinde kudzera muvuto, koma pakusankhidwa kuyeneranso kuganiziridwa bwino za tsinde ndi kukula kwa keyway, kuti msonkhanowo ugwire ntchito bwino. 5 linanena bungwe liwiro: valavu kutsegula ndi kutseka liwiro ndi mofulumira, zosavuta kutulutsa madzi kugunda chodabwitsa. Choncho, malingana ndi mikhalidwe yosiyanasiyana yogwiritsira ntchito, sankhani chiyambi choyenera ndi liwiro loyandikira. 6. Kuyika ndi njira yolumikizira: njira yoyika chipangizo chamagetsi imaphatikizapo kuyika kowongoka, kuyika kopingasa ndi kukhazikitsa pansi; Njira yolumikizirana: mbale yolumikizira; Vavu yodutsa (tsinde la multiturn valve); Ndodo yakuda yozungulira kangapo; Palibe mbale yopondereza; Tsinde la valve silidutsa; Gawo la chipangizo chamagetsi chozungulira chimagwiritsidwa ntchito kwambiri, ndikuzindikira kuwongolera pulogalamu ya vavu, kuwongolera basi ndi zida zakutali, zomwe zimagwiritsidwa ntchito kwambiri mu valavu yotsekedwa. Komabe, zofunikira zapadera za chipangizo chamagetsi cha valve ziyenera kuchepetsa mphamvu ya torque kapena axial. Nthawi zambiri chipangizo chamagetsi cha valve chimagwiritsa ntchito cholumikizira choletsa torque.